gearbox mainshaft

A

Andy Higham

Joined

Apr 16, 2025

Messages

69

• Oct 9, 2025

• #1

What is the reason for the parallel section at thee clutch end of the mainshaft?

 

kommando

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May 7, 2005

Messages

7,680

• Oct 9, 2025

• #2

Some context, what model and year.

 

A

Andy Higham

Joined

Apr 16, 2025

Messages

69

• Oct 9, 2025

• #3

All pre commando AMC gearbox, the top right of the photo

Andover Norton - MAINSHAFT (DOMINATOR) - 04.0001

MAINSHAFT (DOMINATOR)

andover-norton.co.uk

 

L.A.B.

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Nov 20, 2004

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21,180

• Oct 9, 2025

• #4

As far as I can tell it supports the pushrod.

 

ES234

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Apr 5, 2014

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79

• Dec 24, 2025

• #5

Andy Higham said:

What is the reason for the parallel section at thee clutch end of the mainshaft?

Click to expand...

To support the clutch pushrod and if fitted mushroom past the threaded section. Deleted on a "Manx" mainshaft with the narrower 3 plate clutch.